| 1 | # ---------------------------------------------------------------------- |
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| 2 | # TEST HARNESS for the P2P infrastructure |
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| 3 | # |
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| 4 | # This script drives the test setup and visualization for the P2P |
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| 5 | # infrastructure. It launches the authority server(s) and various |
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| 6 | # workers, and helps to visualize their interactions. |
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| 7 | # ---------------------------------------------------------------------- |
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| 8 | # Michael McLennan (mmclennan@purdue.edu) |
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| 9 | # ====================================================================== |
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| 10 | # Copyright (c) 2008 Purdue Research Foundation |
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| 11 | # |
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| 12 | # See the file "license.terms" for information on usage and |
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| 13 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 14 | # ====================================================================== |
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| 15 | package require Itcl |
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| 16 | |
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| 17 | # recognize other library files in this same directory |
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| 18 | set dir [file dirname [info script]] |
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| 19 | lappend auto_path $dir |
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| 20 | |
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| 21 | set time0 [clock seconds] |
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| 22 | set processes "" |
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| 23 | set nodes(all) "" |
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| 24 | set nodeRadius 15 |
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| 25 | |
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| 26 | # ====================================================================== |
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| 27 | # SHAPES |
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| 28 | # ====================================================================== |
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| 29 | itcl::class Shape { |
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| 30 | private variable _canvas "" ;# shape sits on this canvas |
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| 31 | private variable _ranges "" ;# list of time ranges for shape |
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| 32 | private common _shapesOnCanvas ;# maps canvas => list of shapes |
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| 33 | |
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| 34 | public variable command "" ;# command template used to create shape |
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| 35 | |
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| 36 | constructor {canvas args} { |
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| 37 | # add this shape to the list of shapes on this canvas |
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| 38 | lappend _shapesOnCanvas($canvas) $this |
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| 39 | set _canvas $canvas |
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| 40 | eval configure $args |
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| 41 | } |
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| 42 | destructor { |
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| 43 | # remove this shape from the list of shapes on the canvas |
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| 44 | set i [lsearch $_shapesOnCanvas($_canvas) $this] |
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| 45 | if {$i >= 0} { |
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| 46 | set _shapesOnCanvas($_canvas) \ |
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| 47 | [lreplace $_shapesOnCanvas($_canvas) $i $i] |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | # ------------------------------------------------------------------ |
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| 52 | # METHOD: addRange <time0> <time1> |
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| 53 | # Declares that this shape exists during the given time range |
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| 54 | # between <time0> and <time1>. |
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| 55 | # ------------------------------------------------------------------ |
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| 56 | public method addRange {t0 t1} { |
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| 57 | # see if there's any overlap with existing ranges |
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| 58 | set ri0 -1 |
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| 59 | set ri1 -1 |
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| 60 | for {set i 0} {$i < [llength $_ranges]} {incr i} { |
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| 61 | set pair [lindex $_ranges $i] |
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| 62 | foreach {r0 r1} $pair break |
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| 63 | if {$r0 >= $t0 && $r0 <= $t1} { |
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| 64 | set ri0 $i |
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| 65 | } |
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| 66 | if {$r1 >= $t0 && $r1 <= $t1} { |
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| 67 | set ri1 $i |
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| 68 | } |
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| 69 | incr i |
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| 70 | } |
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| 71 | |
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| 72 | if {$ri0 < 0 && $ri1 < 1} { |
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| 73 | # doesn't overlap with anything -- insert in right place |
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| 74 | for {set i 0} {$i < [llength $_ranges]} {incr i} { |
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| 75 | set pair [lindex $_ranges $i] |
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| 76 | foreach {r0 r1} $pair break |
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| 77 | if {$t0 < $r0} break |
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| 78 | } |
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| 79 | set _ranges [linsert $_ranges $i [list $t0 $t1]] |
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| 80 | } elseif {$ri0 >= 0 && $ri1 >= 0} { |
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| 81 | # overlaps on both limits -- bridge the middle part |
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| 82 | set r0 [lindex [lindex $_ranges $ri0] 0] |
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| 83 | set r1 [lindex [lindex $_ranges $ri1] 1] |
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| 84 | set _ranges [lreplace $_ranges $ri0 $ri1 [list $r0 $r1]] |
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| 85 | } elseif {$ri0 >= 0} { |
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| 86 | # overlaps on the lower limit |
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| 87 | for {set i [expr {[llength $_ranges]-1}]} {$i >= 0} {incr i -1} { |
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| 88 | set pair [lindex $_ranges $i] |
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| 89 | foreach {r0 r1} $pair break |
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| 90 | if {$r0 > $t0 && $r1 < $t1} { |
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| 91 | # remove any ranges completely contained in this one |
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| 92 | set _ranges [lreplace $_ranges $i $i] |
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| 93 | } |
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| 94 | set _ranges [lreplace $_ranges $ri0 $ri1 [list $r0 $r1]] |
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| 95 | } |
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| 96 | set pair [lindex $_ranges $ri0] |
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| 97 | foreach {r0 r1} $pair break |
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| 98 | set _ranges [lreplace $_ranges $ri0 $ri0 [list $r0 $t1]] |
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| 99 | } else { |
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| 100 | # overlaps on the upper limit |
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| 101 | for {set i [expr {[llength $_ranges]-1}]} {$i >= 0} {incr i -1} { |
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| 102 | set pair [lindex $_ranges $i] |
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| 103 | foreach {r0 r1} $pair break |
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| 104 | if {$r0 > $t0 && $r1 < $t1} { |
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| 105 | # remove any ranges completely contained in this one |
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| 106 | set _ranges [lreplace $_ranges $i $i] |
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| 107 | } |
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| 108 | set _ranges [lreplace $_ranges $ri0 $ri1 [list $r0 $r1]] |
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| 109 | } |
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| 110 | set pair [lindex $_ranges $ri1] |
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| 111 | foreach {r0 r1} $pair break |
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| 112 | set _ranges [lreplace $_ranges $ri1 $ri1 [list $t0 $r1]] |
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| 113 | } |
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| 114 | } |
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| 115 | |
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| 116 | # ------------------------------------------------------------------ |
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| 117 | # METHOD: exists <time> |
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| 118 | # Checks to see if this shape exists at the given <time>. |
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| 119 | # Returns 1 if so, and 0 otherwise. |
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| 120 | # ------------------------------------------------------------------ |
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| 121 | public method exists {t} { |
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| 122 | for {set i 0} {$i < [llength $_ranges]} {incr i} { |
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| 123 | set pair [lindex $_ranges $i] |
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| 124 | foreach {r0 r1} $pair break |
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| 125 | if {$t >= $r0 && $t <= $r1} { |
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| 126 | return 1 |
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| 127 | } |
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| 128 | } |
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| 129 | return 0 |
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| 130 | } |
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| 131 | |
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| 132 | # ------------------------------------------------------------------ |
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| 133 | # PROC: draw <canvas> <time> |
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| 134 | # Finds the list of shapes that exist on the given <canvas> at |
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| 135 | # the specified time, and executes all of their associated |
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| 136 | # -command templates, adding them to the canvas. |
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| 137 | # ------------------------------------------------------------------ |
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| 138 | public proc draw {canvas time} { |
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| 139 | if {[info exists _shapesOnCanvas($canvas)]} { |
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| 140 | foreach obj $_shapesOnCanvas($canvas) { |
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| 141 | if {[$obj exists $time]} { |
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| 142 | set cmd [$obj cget -command] |
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| 143 | regsub -all %c $cmd $canvas cmd |
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| 144 | eval $cmd |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | # ------------------------------------------------------------------ |
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| 151 | # PROC: clear <canvas> |
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| 152 | # Removes all shapes associated with the specified <canvas>. |
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| 153 | # ------------------------------------------------------------------ |
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| 154 | public proc clear {canvas} { |
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| 155 | if {[info exists _shapesOnCanvas($canvas)]} { |
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| 156 | eval itcl::delete object $_shapesOnCanvas($canvas) |
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| 157 | } |
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| 158 | } |
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| 159 | } |
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| 160 | |
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| 161 | # ====================================================================== |
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| 162 | # Build the main interface |
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| 163 | # ====================================================================== |
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| 164 | frame .cntls |
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| 165 | pack .cntls -fill x |
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| 166 | |
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| 167 | button .cntls.start -text "Start" -command test_start |
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| 168 | pack .cntls.start -side left -padx 4 -pady 2 |
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| 169 | |
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| 170 | button .cntls.stop -text "Stop" -command test_stop -state disabled |
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| 171 | pack .cntls.stop -side left -padx 4 -pady 2 |
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| 172 | |
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| 173 | button .cntls.reload -text "Reload" -command test_reload |
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| 174 | pack .cntls.reload -side left -padx 4 -pady 2 |
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| 175 | |
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| 176 | button .cntls.layout -text "New Layout" -command { |
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| 177 | foreach key [array names nodes *-\[xy\]] { |
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| 178 | unset nodes($key) |
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| 179 | } |
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| 180 | after idle test_reload |
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| 181 | } |
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| 182 | pack .cntls.layout -side left -padx 4 -pady 2 |
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| 183 | |
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| 184 | frame .player |
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| 185 | pack .player -side bottom -fill x |
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| 186 | |
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| 187 | button .player.back -text "<" -command {test_frame_go -1 nudge} |
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| 188 | pack .player.back -side left -padx 4 -pady 2 |
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| 189 | |
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| 190 | button .player.fwd -text ">" -command {test_frame_go 1 nudge} |
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| 191 | pack .player.fwd -side left -padx 4 -pady 2 |
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| 192 | |
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| 193 | scale .player.scale -label "Frame" -orient horizontal \ |
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| 194 | -from 0 -to 1 -showvalue 0 -command {test_frame_go 1} |
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| 195 | pack .player.scale -side left -expand yes -fill x -padx 4 -pady 2 |
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| 196 | |
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| 197 | frame .view |
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| 198 | pack .view -side bottom -anchor w |
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| 199 | label .view.show -text "Show:" |
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| 200 | grid .view.show -row 0 -column 0 -sticky e |
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| 201 | radiobutton .view.network -text "P2P Network" -variable view -value network -command test_view_change |
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| 202 | grid .view.network -row 0 -column 1 -sticky w |
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| 203 | radiobutton .view.traffic -text "Network traffic" -variable view -value traffic -command test_view_change |
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| 204 | grid .view.traffic -row 1 -column 1 -sticky w |
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| 205 | |
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| 206 | frame .diagram |
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| 207 | pack .diagram -expand yes -fill both |
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| 208 | canvas .diagram.network -width 500 -height 400 |
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| 209 | canvas .diagram.traffic -width 500 -height 400 |
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| 210 | |
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| 211 | after idle .view.traffic invoke |
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| 212 | |
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| 213 | proc test_stop {} { |
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| 214 | global processes |
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| 215 | |
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| 216 | # kill any existing processes |
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| 217 | foreach job $processes { |
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| 218 | exec kill $job |
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| 219 | } |
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| 220 | set processes "" |
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| 221 | |
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| 222 | .cntls.stop configure -state disabled |
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| 223 | .cntls.start configure -state normal |
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| 224 | |
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| 225 | after idle test_reload |
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| 226 | } |
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| 227 | |
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| 228 | proc test_start {} { |
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| 229 | global processes |
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| 230 | |
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| 231 | # clean up existing log files... |
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| 232 | foreach fname [glob -nocomplain /tmp/log*] { |
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| 233 | file delete $fname |
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| 234 | } |
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| 235 | |
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| 236 | # launch a new authority server |
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| 237 | lappend processes [exec tclsh authority.tcl &] |
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| 238 | |
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| 239 | # launch a series of workers |
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| 240 | for {set i 0} {$i < 20} {incr i} { |
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| 241 | lappend processes [exec tclsh worker.tcl &] |
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| 242 | after [expr {int(rand()*5000)}] |
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| 243 | } |
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| 244 | |
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| 245 | .cntls.start configure -state disabled |
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| 246 | .cntls.stop configure -state normal |
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| 247 | } |
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| 248 | |
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| 249 | proc test_reload {} { |
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| 250 | global time0 nodes actions nodeRadius |
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| 251 | |
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| 252 | array set colors { |
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| 253 | authority blue |
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| 254 | worker gray |
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| 255 | } |
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| 256 | |
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| 257 | Shape::clear .diagram.network |
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| 258 | Shape::clear .diagram.traffic |
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| 259 | set tmax 0 |
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| 260 | |
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| 261 | # |
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| 262 | # Scan through all files and generate positions for all nodes. |
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| 263 | # |
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| 264 | foreach fname [glob -nocomplain /tmp/log*] { |
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| 265 | set fid [open $fname r] |
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| 266 | set info [read $fid] |
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| 267 | close $fid |
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| 268 | |
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| 269 | # get the address for this host |
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| 270 | regexp {started at port ([0-9]+)} $info match port |
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| 271 | if {[regexp {options [^\n]+ ip ([^ ]+)} $info match ip]} { |
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| 272 | set addr $ip:$port |
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| 273 | } else { |
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| 274 | set addr 127.0.0.1:$port |
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| 275 | } |
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| 276 | |
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| 277 | set lasttime "" |
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| 278 | set info [split $info \n] |
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| 279 | set first [lindex $info 0] |
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| 280 | regexp {^([0-9]+/[0-9]+/[0-9]+ [0-9]+:[0-9]+:[0-9]+) +(authority|worker)} $first match t0 type |
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| 281 | set t0val [expr {([clock scan $t0]-$time0)*100}] |
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| 282 | |
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| 283 | set last [lindex $info end-1] |
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| 284 | regexp {^([0-9]+/[0-9]+/[0-9]+ [0-9]+:[0-9]+:[0-9]+)} $last match t1 |
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| 285 | set t1val [expr {([clock scan $t1]-$time0)*100 + 99}] |
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| 286 | set margin 20 |
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| 287 | set r $nodeRadius |
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| 288 | |
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| 289 | set nodes($fname) $addr |
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| 290 | set nodes($addr-log) $fname |
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| 291 | set nodes($addr-type) $type |
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| 292 | if {![info exists nodes($addr-x)]} { |
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| 293 | set w [expr {[winfo width .diagram]-2*$margin}] |
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| 294 | set h [expr {[winfo height .diagram]-2*$margin}] |
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| 295 | set nodes($addr-x) [expr {int(rand()*$w) + $margin}] |
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| 296 | set nodes($addr-y) [expr {int(rand()*$h) + $margin}] |
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| 297 | } |
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| 298 | set x $nodes($addr-x) |
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| 299 | set y $nodes($addr-y) |
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| 300 | |
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| 301 | foreach canv {.diagram.traffic .diagram.network} { |
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| 302 | set s [Shape ::#auto $canv -command \ |
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| 303 | [list %c create oval [expr {$x-$r}] [expr {$y-$r}] \ |
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| 304 | [expr {$x+$r}] [expr {$y+$r}] \ |
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| 305 | -outline black -fill $colors($type) \ |
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| 306 | -tags [list $fname $fname-node]]] |
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| 307 | $s addRange $t0val $t1val |
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| 308 | } |
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| 309 | |
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| 310 | append actions($t0val) "$type $addr online\n" |
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| 311 | append actions($t1val) "$type $addr offline\n" |
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| 312 | |
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| 313 | if {$t1val > $tmax} { set tmax $t1val } |
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| 314 | } |
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| 315 | |
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| 316 | # |
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| 317 | # Scan through files again and generate shapes for all messages |
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| 318 | # |
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| 319 | foreach fname [glob -nocomplain /tmp/log*] { |
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| 320 | set fid [open $fname r] |
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| 321 | set info [read $fid] |
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| 322 | close $fid |
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| 323 | puts "\nscanning $fname" |
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| 324 | |
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| 325 | catch {unset started} |
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| 326 | set peerlist(addrs) "" |
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| 327 | set peerlist(time) 0 |
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| 328 | set lasttime "" |
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| 329 | set counter 0 |
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| 330 | foreach line [split $info \n] { |
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| 331 | if {[regexp {^([0-9]+/[0-9]+/[0-9]+ [0-9]+:[0-9]+:[0-9]+) (.+)$} $line match time mesg]} { |
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| 332 | set tval [expr {([clock scan $time]-$time0)*100}] |
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| 333 | |
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| 334 | if {$time == $lasttime} { |
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| 335 | set tval [expr {$tval + [incr counter]}] |
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| 336 | } |
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| 337 | set lasttime $time |
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| 338 | |
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| 339 | if {$tval > $tmax} { set tmax $tval } |
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| 340 | |
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| 341 | if {[regexp {accepted: +([^ ]+) +\((.+)\)} $mesg match addr cid]} { |
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| 342 | append actions($tval) $mesg \n |
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| 343 | set started(connect$cid-time) $tval |
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| 344 | set started(connect$cid-addr) ? |
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| 345 | |
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| 346 | } elseif {[regexp {dropped: +([^ ]+) +\((.+)\)} $mesg match addr cid] && [info exists started(connect$cid-time)]} { |
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| 347 | append actions($tval) $mesg \n |
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| 348 | set from $nodes($fname) |
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| 349 | set x0 $nodes($from-x) |
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| 350 | set y0 $nodes($from-y) |
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| 351 | set x1 $nodes($addr-x) |
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| 352 | set y1 $nodes($addr-y) |
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| 353 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 354 | [list %c create line $x0 $y0 $x1 $y1 -width 3 -fill gray -tags [list $fname $fname-cnx]]] |
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| 355 | $s addRange $started(connect$cid-time) $tval |
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| 356 | |
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| 357 | unset started(connect$cid-time) |
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| 358 | unset started(connect$cid-addr) |
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| 359 | |
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| 360 | } elseif {[regexp {server message from ([a-zA-Z0-9\.]+:[0-9]+) \(([a-z0-9]+)\): +(.+) => (.*)} $mesg match addr cid cmd result]} { |
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| 361 | if {![string match identity* $cmd]} { |
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| 362 | append actions($tval) $mesg \n |
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| 363 | set from $nodes($fname) |
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| 364 | set x0 $nodes($from-x) |
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| 365 | set y0 $nodes($from-y) |
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| 366 | set x1 $nodes($addr-x) |
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| 367 | set y1 $nodes($addr-y) |
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| 368 | set w [expr {[winfo width .diagram]/2}] |
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| 369 | |
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| 370 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 371 | [list %c create line [expr $x0-3] [expr $y0-3] [expr $x1-3] [expr $y1-3] -fill black -arrow first -tags transient]] |
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| 372 | $s addRange $tval $tval |
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| 373 | |
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| 374 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 375 | [list %c create text [expr {0.5*($x0+$x1)}] [expr {0.5*($y0+$y1)-1}] -width $w -fill black -anchor s -text $cmd -tags transient]] |
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| 376 | $s addRange $tval $tval |
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| 377 | |
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| 378 | if {"" != [string trim $result]} { |
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| 379 | if {[regexp {^ok:} $result]} { |
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| 380 | set color black |
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| 381 | } else { |
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| 382 | set color red |
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| 383 | } |
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| 384 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 385 | [list %c create line [expr $x0+3] [expr $y0+3] [expr $x1+3] [expr $y1+3] -fill $color -arrow last -tags transient]] |
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| 386 | $s addRange $tval $tval |
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| 387 | |
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| 388 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 389 | [list %c create text [expr {0.5*($x0+$x1)}] [expr {0.5*($y0+$y1)+1}] -width $w -fill $color -anchor n -text $result -tags transient]] |
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| 390 | $s addRange $tval $tval |
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| 391 | } |
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| 392 | } |
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| 393 | |
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| 394 | # no address for this client yet? then save this info |
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| 395 | if {[info exists started(connect$cid-addr)] |
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| 396 | && $started(connect$cid-addr) == "?"} { |
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| 397 | set started(connect$cid-addr) $addr |
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| 398 | } |
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| 399 | |
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| 400 | } elseif {[regexp {connected to peers: (.*)} $mesg match plist]} { |
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| 401 | # draw a highlight ring, indicating that peers have changed |
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| 402 | set from $nodes($fname) |
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| 403 | set x $nodes($from-x) |
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| 404 | set y $nodes($from-y) |
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| 405 | foreach canv {.diagram.traffic .diagram.network} { |
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| 406 | set s [Shape ::#auto $canv -command \ |
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| 407 | [list %c create oval [expr {$x-$r-3}] [expr {$y-$r-3}] [expr {$x+$r+3}] [expr {$y+$r+3}] -outline red -fill "" -tags transient]] |
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| 408 | $s addRange $tval [expr {$tval+20}] |
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| 409 | } |
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| 410 | |
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| 411 | # draw lines from the previous peer list, now that |
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| 412 | # we know it's time range is done. |
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| 413 | foreach addr $peerlist(addrs) { |
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| 414 | set from $nodes($fname) |
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| 415 | set x0 $nodes($from-x) |
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| 416 | set y0 $nodes($from-y) |
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| 417 | set x1 $nodes($addr-x) |
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| 418 | set y1 $nodes($addr-y) |
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| 419 | set s [Shape ::#auto .diagram.network -command \ |
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| 420 | [list %c create line $x0 $y0 $x1 $y1 -width 3 -fill gray -tags [list $fname $fname-cnx]]] |
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| 421 | $s addRange $peerlist(time) $tval |
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| 422 | } |
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| 423 | |
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| 424 | # save the start of this new peer list |
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| 425 | set peerlist(addrs) $plist |
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| 426 | set peerlist(time) $tval |
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| 427 | } |
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| 428 | } |
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| 429 | } |
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| 430 | |
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| 431 | # any connections hanging out that we haven't drawn? |
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| 432 | foreach key [array names started connect*-addr] { |
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| 433 | regexp {connect([^-]+)-addr} $key match cid |
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| 434 | set from $nodes($fname) |
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| 435 | set addr $started($key) |
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| 436 | set x0 $nodes($from-x) |
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| 437 | set y0 $nodes($from-y) |
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| 438 | set x1 $nodes($addr-x) |
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| 439 | set y1 $nodes($addr-y) |
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| 440 | set s [Shape ::#auto .diagram.traffic -command \ |
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| 441 | [list %c create line $x0 $y0 $x1 $y1 -width 3 -fill gray -tags [list $fname $fname-cnx]]] |
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| 442 | $s addRange $started(connect$cid-time) $tval |
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| 443 | |
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| 444 | unset started(connect$cid-time) |
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| 445 | unset started(connect$cid-addr) |
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| 446 | } |
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| 447 | |
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| 448 | .diagram.traffic bind $fname <Enter> " |
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| 449 | %W itemconfigure $fname-node -outline red |
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| 450 | %W itemconfigure $fname-cnx -fill red |
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| 451 | %W raise $fname-cnx |
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| 452 | " |
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| 453 | .diagram.traffic bind $fname <Leave> " |
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| 454 | %W itemconfigure $fname-node -outline black |
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| 455 | %W itemconfigure $fname-cnx -fill gray |
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| 456 | %W raise transient |
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| 457 | " |
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| 458 | |
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| 459 | foreach canv {.diagram.network .diagram.traffic} { |
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| 460 | $canv bind $fname-node <ButtonPress-1> \ |
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| 461 | [list worker_node_click %W $fname %x %y] |
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| 462 | $canv bind $fname-node <B1-Motion> \ |
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| 463 | [list worker_node_drag %W $fname %x %y] |
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| 464 | $canv bind $fname-node <ButtonRelease-1> \ |
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| 465 | [list worker_node_release %W $fname %x %y] |
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| 466 | } |
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| 467 | |
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| 468 | # any peer connections that we haven't drawn? then do it now |
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| 469 | foreach addr $peerlist(addrs) { |
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| 470 | set from $nodes($fname) |
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| 471 | set x0 $nodes($from-x) |
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| 472 | set y0 $nodes($from-y) |
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| 473 | set x1 $nodes($addr-x) |
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| 474 | set y1 $nodes($addr-y) |
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| 475 | set s [Shape ::#auto .diagram.network -command \ |
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| 476 | [list %c create line $x0 $y0 $x1 $y1 -width 3 -fill gray -tags [list $fname $fname-cnx]]] |
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| 477 | $s addRange $peerlist(time) $tmax |
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| 478 | } |
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| 479 | |
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| 480 | .diagram.network bind $fname <Enter> " |
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| 481 | %W itemconfigure $fname-node -outline red |
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| 482 | %W itemconfigure $fname-cnx -fill red |
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| 483 | %W raise $fname-cnx |
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| 484 | " |
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| 485 | .diagram.network bind $fname <Leave> " |
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| 486 | %W itemconfigure $fname-node -outline black |
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| 487 | %W itemconfigure $fname-cnx -fill gray |
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| 488 | %W raise transient |
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| 489 | " |
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| 490 | } |
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| 491 | .player.scale configure -to $tmax |
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| 492 | |
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| 493 | after cancel test_visualize |
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| 494 | after idle test_visualize |
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| 495 | } |
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| 496 | |
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| 497 | proc worker_node_click {canv fname x y} { |
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| 498 | $canv itemconfigure $fname-node -stipple gray50 |
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| 499 | } |
|---|
| 500 | |
|---|
| 501 | proc worker_node_drag {canv fname x y} { |
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| 502 | global nodeRadius |
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| 503 | $canv itemconfigure $fname-node -stipple "" |
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| 504 | $canv coords $fname-node [expr {$x-$nodeRadius}] [expr {$y-$nodeRadius}] [expr {$x+$nodeRadius}] [expr {$y+$nodeRadius}] |
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| 505 | } |
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| 506 | |
|---|
| 507 | proc worker_node_release {canv fname x y} { |
|---|
| 508 | global move nodes |
|---|
| 509 | |
|---|
| 510 | worker_node_drag $canv $fname $x $y |
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| 511 | $canv itemconfigure $fname-node -stipple "" |
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| 512 | |
|---|
| 513 | set addr $nodes($fname) |
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| 514 | set nodes($addr-x) $x |
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| 515 | set nodes($addr-y) $y |
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| 516 | after idle test_reload |
|---|
| 517 | } |
|---|
| 518 | |
|---|
| 519 | proc test_frame_go {dir position} { |
|---|
| 520 | global actions |
|---|
| 521 | |
|---|
| 522 | set tmax [.player.scale cget -to] |
|---|
| 523 | if {"nudge" == $position} { |
|---|
| 524 | set nframe [.player.scale get] |
|---|
| 525 | incr nframe $dir |
|---|
| 526 | } else { |
|---|
| 527 | set nframe $position |
|---|
| 528 | } |
|---|
| 529 | |
|---|
| 530 | while {![info exists actions($nframe)] && $nframe > 0 && $nframe < $tmax} { |
|---|
| 531 | incr nframe $dir |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | # set the scale to this new position |
|---|
| 535 | .player.scale configure -command "" |
|---|
| 536 | .player.scale set $nframe |
|---|
| 537 | .player.scale configure -command {test_frame_go 1} |
|---|
| 538 | |
|---|
| 539 | after cancel test_visualize |
|---|
| 540 | after idle test_visualize |
|---|
| 541 | } |
|---|
| 542 | |
|---|
| 543 | proc test_visualize {} { |
|---|
| 544 | .diagram.traffic delete all |
|---|
| 545 | Shape::draw .diagram.traffic [.player.scale get] |
|---|
| 546 | .diagram.traffic raise transient |
|---|
| 547 | |
|---|
| 548 | .diagram.network delete all |
|---|
| 549 | Shape::draw .diagram.network [.player.scale get] |
|---|
| 550 | .diagram.network raise transient |
|---|
| 551 | } |
|---|
| 552 | |
|---|
| 553 | proc test_view_change {} { |
|---|
| 554 | global view |
|---|
| 555 | foreach widget [pack slaves .diagram] { |
|---|
| 556 | catch {pack forget $widget} |
|---|
| 557 | } |
|---|
| 558 | pack .diagram.$view -expand yes -fill both |
|---|
| 559 | } |
|---|
